.\"	$NetBSD: curses_underscore.3,v 1.5 2008/04/30 13:10:51 martin Exp $
.\" Copyright (c) 2002 The NetBSD Foundation, Inc.
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.\"
.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Julian Coleman.
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.Dd October 13, 2002
.Dt CURSES_UNDERSCORE 3
.Os
.Sh NAME
.Nm curses_underscore ,
.Nm underscore ,
.Nm underend ,
.Nm wunderscore ,
.Nm wunderend
.Nd curses underscore attribute manipulation routines
.Sh LIBRARY
.Lb libcurses
.Sh SYNOPSIS
.In curses.h
.Ft int
.Fn underscore void
.Ft int
.Fn underend void
.Ft int
.Fn wunderscore void
.Ft int
.Fn wunderend void
.Sh DESCRIPTION
These functions manipulate the underscore attribute on
.Dv stdscr
or on the specified window.
.Pp
The
.Fn underscore
function turns on the underscore attribute
on
.Dv stdscr .
The
.Fn underend
function turns off the underscore attribute on
.Dv stdscr .
.Pp
The
.Fn wunderscore
and
.Fn wunderend
functions
are equivalent to
.Fn underscore
and
.Fn underend ,
respectively, excepting that the attribute is manipulated on the
window specified by
.Fa win .
.Pp
The
.Fn underscore
and
.Fn underend
functions
are equivalent to
.Fn wattron A_UNDERLINE
and
.Fn wattroff A_UNDERLINE ,
respectively.
.Sh RETURN VALUES
These functions always return 1.
.Sh SEE ALSO
.Xr curses_attributes 3 ,
.Xr curses_standout 3
.Sh STANDARDS
The
.Nx
Curses library complies with the X/Open Curses specification, part of the
Single Unix Specification.
.Sh HISTORY
These functions first appeared in
.Nx 1.5 .
